Home / 891,285.75-1,229,976.36-509,311.62

Finding the Fourth Proportional to 891,285.75, 1,229,976.36 and 509,311.62

Calculator

Solution

The fourth proportional to 891,285.75, 1,229,976.36 and 509,311.62 is: 702,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,285.75 : 1,229,976.36 = 509,311.62 : x
  2. Step 2: Convert to fraction form
    891,285.75/1,229,976.36 = 509,311.62/x
  3. Step 3: Cross multiply
    891,285.75x = 1,229,976.36 × 509,311.62
  4. Step 4: Simplify right side
    891,285.75x = 626,441,252,473.30
  5. Step 5: Solve for x
    x = 626,441,252,473.30/891,285.75
  6. Step 6: Final answer
    x = 702,851.19

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.